Income Taxes (Details) - USD ($)	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Income Taxes (Details) [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 1,800,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	8,325	$ 1,176
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	7,149	$ 1,176
Tax Adjustments, Settlements, and Unusual Provisions	119,000
Domestic Tax Authority [Member]
Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	31,300,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	15,700,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	15,600,000
Tax Credit Carryforward, Amount	900,000
Annual Limitation [Member] | Domestic Tax Authority [Member]
Income Taxes (Details) [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	3,100,000
Research Tax Credit Carryforward [Member]
Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	$ 900,000